#ifndef GSL_SF_ERF_H_
#define GSL_SF_ERF_H_

double gsl_sf_erfc_asymptotic(double x);
double gsl_sf_log_erfc_asymptotic(double x);
double gsl_sf_log_erfc(double x);
double gsl_sf_erfc(double x);
double gsl_sf_erf(double x);
double gsl_sf_erf_Z(double x);
double gsl_sf_erf_Q(double x);

#endif /* !GSL_SF_ERF_H_ */